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Can You Figure Out the Savanna Mystery?
A TED-Ed ecology mystery: after invasive ants arrived in Kenya, lions started hunting more buffalo and fewer zebras. Follow the surprising chain of cause and effect through the savanna's tangled food web.
How it works
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- Videos 5 minutes or longer pause once or twice for a quick check. Get it right and you're on your way. If not, you'll see a friendly explanation and the video simply keeps going. Short videos skip the checks.
- At the end there's a 3-question test. Score 60% or more to complete the lesson, and 80% or more to master it. You can always watch again and try for a higher score.